#4B4D98
Closest named color: Twilight (#4E518B). oklch(45.7% 0.12 279.4), rgb(75, 77, 152).
Aa
White text reads best on this color (7.46:1).
About this color
#4B4D98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.120 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #4B4D98 |
| RGB | rgb(75, 77, 152) |
| HSL | hsl(238, 34%, 45%) |
| OKLCH | oklch(45.7% 0.12 279.4) |
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 #4B4D98 | 7.46:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #4B4D98 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #4B4D98 text on white | 7.46:1 | AAA | Lc 85.8 | Fine for body text |
| #4B4D98 text on black | 2.81:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B7BCEE
oklch(80.8% 0.071 280.2)
-
Step 400
400
#9299E5
oklch(70.7% 0.111 279.1)
-
Step 500
500
#797DDE
oklch(63.1% 0.144 279.6)
-
Step 600
600
#6365CB
oklch(55.7% 0.154 279.3)
-
Step 700
700
#5253B0
oklch(49.1% 0.145 279.2)
-
Step 800
800 (this color)
#4B4D98
oklch(45.7% 0.12 279.4)
-
Step 900
900
#383A72
oklch(37.7% 0.094 279.3)
-
Step 950
950
#212243
oklch(26.9% 0.061 280.2)
#4B4D98 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) | #2B589B | 0.044 |
| Deuteranopia (no green cones) | #255296 | 0.045 |
| Tritanopia (no blue cones) | #2D5D6B | 0.104 |
| Achromatopsia (no color) | #555555 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4D98
#4B4D98
oklch(45.7% 0.12 279.4)
- #645800
#645800
oklch(45.8% 0.095 100.1)
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 #4B4D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Blueberry #464196 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.046
- Dusk #4E5481 ΔE 0.046
- Dusk Blue #26538D ΔE 0.050
- Dusky Blue #475F94 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.059
Use #4B4D98 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.