#4D669E
Closest named color: Dusky Blue (#475F94). oklch(51.6% 0.094 265), rgb(77, 102, 158).
Aa
White text reads best on this color (5.66:1).
About this color
#4D669E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.094 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #4D669E |
| RGB | rgb(77, 102, 158) |
| HSL | hsl(221, 34%, 46%) |
| OKLCH | oklch(51.6% 0.094 265) |
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 #4D669E | 5.66:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #4D669E | 3.70:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #4D669E text on white | 5.66:1 | AA | Lc 78.2 | Fine for body text |
| #4D669E text on black | 3.70:1 | AA large text | Lc -23.6 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400
#8AA0CF
oklch(70.6% 0.074 265.1)
-
Step 500
500
#6E88C2
oklch(63% 0.093 265.3)
-
Step 600
600
#5671AF
oklch(55.5% 0.102 265.4)
-
Step 700
700 (this color)
#4D669E
oklch(51.6% 0.094 265)
-
Step 800
800
#3A4E7A
oklch(42.8% 0.078 264.8)
-
Step 900
900
#324162
oklch(37.8% 0.06 265)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#4D669E 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) | #506BA0 | 0.015 |
| Deuteranopia (no green cones) | #47649D | 0.010 |
| Tritanopia (no blue cones) | #29727A | 0.085 |
| Achromatopsia (no color) | #676767 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D669E
#4D669E
oklch(51.6% 0.094 265)
- #80631B
#80631B
oklch(51.6% 0.094 85.6)
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 #4D669E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- French Blue #436BAD ΔE 0.026
- Muted Blue #3B719F ΔE 0.034
- Denim #3B638C ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.043
- Dull Blue #49759C ΔE 0.044
- Mid Blue #276AB3 ΔE 0.045
Use #4D669E 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.