#609FCA
Closest named color: Greyblue (#77A1B5). oklch(67.7% 0.091 239.8), rgb(96, 159, 202).
Aa
Black text reads best on this color (7.30:1).
About this color
#609FCA is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.091 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #609FCA |
| RGB | rgb(96, 159, 202) |
| HSL | hsl(204, 50%, 58%) |
| OKLCH | oklch(67.7% 0.091 239.8) |
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 #609FCA | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #609FCA | 7.30:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #609FCA text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #609FCA text on black | 7.30:1 | AAA | Lc -47.0 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#A0C6E2
oklch(80.8% 0.057 240.3)
-
Step 400
400 (this color)
#609FCA
oklch(67.7% 0.091 239.8)
-
Step 500
500
#3A92C8
oklch(63.1% 0.116 239.5)
-
Step 600
600
#027BB5
oklch(55.6% 0.127 239.9)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#114666
oklch(37.7% 0.077 240.5)
-
Step 950
950
#0D293B
oklch(26.9% 0.047 240.1)
#609FCA 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) | #8C9FCC | 0.051 |
| Deuteranopia (no green cones) | #7D93C9 | 0.043 |
| Tritanopia (no blue cones) | #20AAAD | 0.075 |
| Achromatopsia (no color) | #989898 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #609FCA
#609FCA
oklch(67.7% 0.091 239.8)
- #C18A5C
#C18A5C
oklch(67.7% 0.091 60.3)
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 #609FCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Faded Blue #658CBB ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.061
- Cool Gray #8D99AE ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.066
Use #609FCA 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.