#6596CC
Closest named color: Faded Blue (#658CBB). oklch(66% 0.097 251.7), rgb(101, 150, 204).
Aa
Black text reads best on this color (6.78:1).
About this color
#6596CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.097 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.033 away. Black text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #6596CC |
| RGB | rgb(101, 150, 204) |
| HSL | hsl(211, 50%, 60%) |
| OKLCH | oklch(66% 0.097 251.7) |
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 #6596CC | 3.09:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #6596CC | 6.78:1 | AA | Lc 46.3 | Large or bold text, headings |
| #6596CC text on white | 3.09:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #6596CC text on black | 6.78:1 | AA | Lc -44.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ABC3DF
oklch(80.8% 0.048 252.4)
-
Step 400
400
#7EA4CF
oklch(70.7% 0.076 252)
-
Step 500
500 (this color)
#6596CC
oklch(66% 0.097 251.7)
-
Step 600
600
#4176AF
oklch(55.5% 0.106 251.8)
-
Step 700
700
#336396
oklch(49% 0.098 251.7)
-
Step 800
800
#2B517A
oklch(42.7% 0.081 251.8)
-
Step 900
900
#274362
oklch(37.6% 0.063 252.1)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#6596CC 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) | #8098CE | 0.033 |
| Deuteranopia (no green cones) | #738ECB | 0.025 |
| Tritanopia (no blue cones) | #32A2A9 | 0.083 |
| Achromatopsia (no color) | #929292 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6596CC
#6596CC
oklch(66% 0.097 251.7)
- #B7884C
#B7884C
oklch(66% 0.096 71.5)
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 #6596CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.056
- Greyblue #77A1B5 ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.058
- Dusty Blue #5A86AD ΔE 0.060
- Blue Grey #758DA3 ΔE 0.061
Use #6596CC 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.