#609DC3
Closest named color: Greyblue (#77A1B5). oklch(66.9% 0.085 237.3), rgb(96, 157, 195).
Aa
Black text reads best on this color (7.10:1).
About this color
#609DC3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.085 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #609DC3 |
| RGB | rgb(96, 157, 195) |
| HSL | hsl(203, 45%, 57%) |
| OKLCH | oklch(66.9% 0.085 237.3) |
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 #609DC3 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #609DC3 | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #609DC3 text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #609DC3 text on black | 7.10:1 | AAA | Lc -45.8 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEB
oklch(88.6% 0.03 236.9)
-
Step 300
300
#A1C6DF
oklch(80.8% 0.053 237.9)
-
Step 400
400 (this color)
#609DC3
oklch(66.9% 0.085 237.3)
-
Step 500
500
#3E92C3
oklch(63% 0.109 237.7)
-
Step 600
600
#0F7CAF
oklch(55.6% 0.118 237)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#07557A
oklch(42.6% 0.091 237.3)
-
Step 900
900
#144762
oklch(37.8% 0.07 236.4)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#609DC3 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) | #8C9CC5 | 0.051 |
| Deuteranopia (no green cones) | #7E92C2 | 0.043 |
| Tritanopia (no blue cones) | #2AA7AA | 0.067 |
| Achromatopsia (no color) | #969696 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #609DC3
#609DC3
oklch(66.9% 0.085 237.3)
- #BD8860
#BD8860
oklch(67% 0.085 57.7)
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 #609DC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Faded Blue #658CBB ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.055
- Blue Grey #758DA3 ΔE 0.057
- Cool Gray #8D99AE ΔE 0.057
Use #609DC3 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.