#609FDF
Closest named color: Cornflower Blue (#6495ED). oklch(68.7% 0.115 250.2), rgb(96, 159, 223).
Aa
Black text reads best on this color (7.52:1).
About this color
#609FDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.115 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.038 away. Black text reads best on it, at 7.52:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.52:1 |
| White text | 2.79:1 |
Values
| HEX | #609FDF |
| RGB | rgb(96, 159, 223) |
| HSL | hsl(210, 66%, 63%) |
| OKLCH | oklch(68.7% 0.115 250.2) |
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 #609FDF | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #609FDF | 7.52:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #609FDF text on white | 2.79:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #609FDF text on black | 7.52:1 | AAA | Lc -48.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF3
oklch(88.5% 0.04 249.5)
-
Step 300
300
#9EC5EE
oklch(81% 0.072 250)
-
Step 400
400 (this color)
#609FDF
oklch(68.7% 0.115 250.2)
-
Step 500
500
#368DDE
oklch(63% 0.147 250.1)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#0E4372
oklch(37.6% 0.096 250.3)
-
Step 950
950
#0B2843
oklch(27.1% 0.061 249.8)
#609FDF 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) | #84A2E2 | 0.042 |
| Deuteranopia (no green cones) | #7495DE | 0.032 |
| Tritanopia (no blue cones) | #00AEB5 | 0.098 |
| Achromatopsia (no color) | #9B9B9B | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #609FDF
#609FDF
oklch(68.7% 0.115 250.2)
- #C88D42
#C88D42
oklch(68.8% 0.116 70.2)
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 #609FDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.058
- Faded Blue #658CBB ΔE 0.065
- Soft Blue #6488EA ΔE 0.067
- Greyblue #77A1B5 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.073
- Perrywinkle #8F8CE7 ΔE 0.074
Use #609FDF 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.