#609CD4
Closest named color: Cornflower Blue (#6495ED). oklch(67.5% 0.104 248), rgb(96, 156, 212).
Aa
Black text reads best on this color (7.20:1).
About this color
#609CD4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.104 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.046 away. Black text reads best on it, at 7.20:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #609CD4 |
| RGB | rgb(96, 156, 212) |
| HSL | hsl(209, 57%, 60%) |
| OKLCH | oklch(67.5% 0.104 248) |
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 #609CD4 | 2.91:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #609CD4 | 7.20:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #609CD4 text on white | 2.91:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #609CD4 text on black | 7.20:1 | AAA | Lc -46.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5E9
oklch(80.9% 0.065 247.9)
-
Step 400
400 (this color)
#609CD4
oklch(67.5% 0.104 248)
-
Step 500
500
#3D8FD6
oklch(63.2% 0.133 247.9)
-
Step 600
600
#0E77C3
oklch(55.6% 0.145 248.1)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#065288
oklch(42.7% 0.111 247.7)
-
Step 900
900
#13446D
oklch(37.7% 0.087 248.1)
-
Step 950
950
#0D2840
oklch(27% 0.056 248.3)
#609CD4 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) | #859ED7 | 0.043 |
| Deuteranopia (no green cones) | #7592D3 | 0.033 |
| Tritanopia (no blue cones) | #0CA9AF | 0.090 |
| Achromatopsia (no color) | #979797 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #609CD4
#609CD4
oklch(67.5% 0.104 248)
- #C18A4B
#C18A4B
oklch(67.5% 0.104 68.1)
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 #609CD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.046
- Faded Blue #658CBB ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.053
- Greyblue #77A1B5 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.068
- Soft Blue #6488EA ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.072
Use #609CD4 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.