#40629F
Closest named color: Dusky Blue (#475F94). oklch(50% 0.106 261.3), rgb(64, 98, 159).
Aa
White text reads best on this color (6.05:1).
About this color
#40629F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.019 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #40629F |
| RGB | rgb(64, 98, 159) |
| HSL | hsl(219, 43%, 44%) |
| OKLCH | oklch(50% 0.106 261.3) |
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 #40629F | 6.05:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #40629F | 3.46:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #40629F text on white | 6.05:1 | AA | Lc 80.1 | Fine for body text |
| #40629F text on black | 3.46:1 | AA large text | Lc -21.7 | 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 700.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#AEC2E2
oklch(81% 0.05 259.8)
-
Step 400
400
#84A1D4
oklch(70.6% 0.082 261.5)
-
Step 500
500
#6589C9
oklch(63% 0.105 261.4)
-
Step 600
600
#4D72B5
oklch(55.6% 0.113 261.5)
-
Step 700
700 (this color)
#40629F
oklch(50% 0.106 261.3)
-
Step 800
800
#334E7F
oklch(42.7% 0.088 261.5)
-
Step 900
900
#2D4166
oklch(37.7% 0.069 262)
-
Step 950
950
#1A263C
oklch(26.9% 0.045 261.9)
#40629F 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) | #4867A1 | 0.018 |
| Deuteranopia (no green cones) | #3C5E9E | 0.013 |
| Tritanopia (no blue cones) | #007079 | 0.092 |
| Achromatopsia (no color) | #626262 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40629F
#40629F
oklch(50% 0.106 261.3)
- #815C00
#815C00
oklch(50.1% 0.103 81.2)
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 #40629F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.028
- French Blue #436BAD ΔE 0.031
- Denim #3B638C ΔE 0.033
- Mid Blue #276AB3 ΔE 0.038
- Muted Blue #3B719F ΔE 0.043
- Peacock Blue #016795 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.047
Use #40629F 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.