#606EA5
Closest named color: Dull Blue (#49759C). oklch(55% 0.088 272.4), rgb(96, 110, 165).
Aa
White text reads best on this color (4.91:1).
About this color
#606EA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.088 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.038 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #606EA5 |
| RGB | rgb(96, 110, 165) |
| HSL | hsl(228, 28%, 51%) |
| OKLCH | oklch(55% 0.088 272.4) |
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 #606EA5 | 4.91:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #606EA5 | 4.27:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #606EA5 text on white | 4.91:1 | AA | Lc 74.0 | Content text, not long reading |
| #606EA5 text on black | 4.27:1 | AA large text | Lc -27.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B7C0DB
oklch(80.9% 0.039 270.9)
-
Step 400
400
#939FC9
oklch(70.8% 0.063 272.3)
-
Step 500
500
#7887BB
oklch(63.2% 0.081 271.6)
-
Step 600
600 (this color)
#606EA5
oklch(55% 0.088 272.4)
-
Step 700
700
#515D8F
oklch(49% 0.082 272.8)
-
Step 800
800
#424C74
oklch(42.6% 0.068 272.5)
-
Step 900
900
#38405E
oklch(37.8% 0.053 272.2)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#606EA5 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) | #5B74A7 | 0.017 |
| Deuteranopia (no green cones) | #556EA4 | 0.015 |
| Tritanopia (no blue cones) | #4A7982 | 0.078 |
| Achromatopsia (no color) | #707070 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #606EA5
#606EA5
oklch(55% 0.088 272.4)
- #84702F
#84702F
oklch(55.1% 0.088 92.2)
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 #606EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.038
- French Blue #436BAD ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.041
- Muted Blue #3B719F ΔE 0.045
- Stormy Blue #507B9C ΔE 0.046
- Metallic Blue #4F738E ΔE 0.049
- Cerulean #457B9D ΔE 0.051
- Windows Blue #3778BF ΔE 0.057
Use #606EA5 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.