#6596DA
Closest named color: Cornflower Blue (#6495ED). oklch(66.7% 0.115 256.8), rgb(101, 150, 218).
Aa
Black text reads best on this color (6.92:1).
About this color
#6596DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.115 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 6.92:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #6596DA |
| RGB | rgb(101, 150, 218) |
| HSL | hsl(215, 61%, 63%) |
| OKLCH | oklch(66.7% 0.115 256.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6596DA | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #6596DA | 6.92:1 | AA | Lc 47.1 | Large or bold text, headings |
| #6596DA text on white | 3.03:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #6596DA text on black | 6.92:1 | AA | Lc -44.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEE
oklch(88.4% 0.031 257.2)
-
Step 300
300
#AAC3E5
oklch(81% 0.055 256.1)
-
Step 400
400
#7CA3D8
oklch(70.7% 0.089 256.2)
-
Step 500
500 (this color)
#6596DA
oklch(66.7% 0.115 256.8)
-
Step 600
600
#4074BB
oklch(55.7% 0.124 256.7)
-
Step 700
700
#3161A1
oklch(49.1% 0.116 256.4)
-
Step 800
800
#2A4F83
oklch(42.7% 0.097 257.2)
-
Step 900
900
#264269
oklch(37.7% 0.075 256.9)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#6596DA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7B9ADD | 0.029 |
| Deuteranopia (no green cones) | #6C8FD9 | 0.019 |
| Tritanopia (no blue cones) | #20A5AE | 0.102 |
| Achromatopsia (no color) | #949494 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6596DA
#6596DA
oklch(66.7% 0.115 256.8)
- #BC8A38
#BC8A38
oklch(66.7% 0.115 76.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6596DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.044
- Faded Blue #658CBB ΔE 0.049
- Soft Blue #6488EA ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.062
- Silver Lake Blue #778DA9 ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.073
Use #6596DA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.