#6596ED
Closest named color: Cornflower Blue (#6495ED). oklch(67.7% 0.14 261.2), rgb(101, 150, 237).
Aa
Black text reads best on this color (7.13:1).
About this color
#6596ED is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.140 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.003 away. Black text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #6596ED |
| RGB | rgb(101, 150, 237) |
| HSL | hsl(218, 79%, 66%) |
| OKLCH | oklch(67.7% 0.14 261.2) |
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 #6596ED | 2.94:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #6596ED | 7.13:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #6596ED text on white | 2.94:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #6596ED text on black | 7.13:1 | AAA | Lc -46.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A1C2FA
oklch(81% 0.087 260.8)
-
Step 400
400 (this color)
#6596ED
oklch(67.7% 0.14 261.2)
-
Step 500
500
#4784F4
oklch(63% 0.18 261.3)
-
Step 600
600
#296BE3
oklch(55.7% 0.195 261.2)
-
Step 700
700
#1C58C5
oklch(49.1% 0.181 261.2)
-
Step 800
800
#19499F
oklch(42.7% 0.149 261)
-
Step 900
900
#1B3E7E
oklch(37.7% 0.116 261.2)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#6596ED 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) | #729DF1 | 0.025 |
| Deuteranopia (no green cones) | #6091EB | 0.015 |
| Tritanopia (no blue cones) | #00A9B6 | 0.123 |
| Achromatopsia (no color) | #969696 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6596ED
#6596ED
oklch(67.7% 0.14 261.2)
- #C38D00
#C38D00
oklch(67.8% 0.14 81.3)
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 #6596ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.003
- Chefchaouen Blue #4895EF ΔE 0.027
- Soft Blue #6488EA ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.042
- Perrywinkle #8F8CE7 ΔE 0.054
- Periwinkle Blue #8F99FB ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.060
- Dodger Blue #1E90FF ΔE 0.061
Use #6596ED 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.