#4D5499
Closest named color: Twilight (#4E518B). oklch(47.4% 0.111 276.9), rgb(77, 84, 153).
Aa
White text reads best on this color (6.89:1).
About this color
#4D5499 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.111 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #4D5499 |
| RGB | rgb(77, 84, 153) |
| HSL | hsl(234, 33%, 45%) |
| OKLCH | oklch(47.4% 0.111 276.9) |
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 #4D5499 | 6.89:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #4D5499 | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #4D5499 text on white | 6.89:1 | AA | Lc 83.7 | Fine for body text |
| #4D5499 text on black | 3.04:1 | AA large text | Lc -18.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B7BEE4
oklch(80.9% 0.054 276.9)
-
Step 400
400
#939CD6
oklch(70.7% 0.085 277.2)
-
Step 500
500
#7983CB
oklch(63.2% 0.109 276.8)
-
Step 600
600
#626BB8
oklch(55.6% 0.119 276.7)
-
Step 700
700 (this color)
#4D5499
oklch(47.4% 0.111 276.9)
-
Step 800
800
#434980
oklch(42.7% 0.091 277.1)
-
Step 900
900
#383D67
oklch(37.6% 0.072 277.2)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#4D5499 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) | #385D9C | 0.033 |
| Deuteranopia (no green cones) | #315797 | 0.035 |
| Tritanopia (no blue cones) | #30636F | 0.098 |
| Achromatopsia (no color) | #5A5A5A | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5499
#4D5499
oklch(47.4% 0.111 276.9)
- #6C5B00
#6C5B00
oklch(47.4% 0.098 96.4)
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 #4D5499, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.034
- Dusk #4E5481 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusk Blue #26538D ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Denim #3B638C ΔE 0.055
Use #4D5499 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.