#4957A0
Closest named color: Denim Blue (#3B5B92). oklch(48.2% 0.118 273), rgb(73, 87, 160).
Aa
White text reads best on this color (6.65:1).
About this color
#4957A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.118 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.032 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #4957A0 |
| RGB | rgb(73, 87, 160) |
| HSL | hsl(230, 37%, 46%) |
| OKLCH | oklch(48.2% 0.118 273) |
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 #4957A0 | 6.65:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #4957A0 | 3.15:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #4957A0 text on white | 6.65:1 | AA | Lc 82.7 | Fine for body text |
| #4957A0 text on black | 3.15:1 | AA large text | Lc -19.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B4BFE6
oklch(80.9% 0.056 272.7)
-
Step 400
400
#8E9DDA
oklch(70.8% 0.091 273.2)
-
Step 500
500
#7284D0
oklch(63.2% 0.116 272.6)
-
Step 600
600
#5C6CBD
oklch(55.7% 0.127 273.2)
-
Step 700
700 (this color)
#4957A0
oklch(48.2% 0.118 273)
-
Step 800
800
#3E4A84
oklch(42.8% 0.097 272.9)
-
Step 900
900
#343E6A
oklch(37.7% 0.076 272.6)
-
Step 950
950
#1F243E
oklch(26.9% 0.049 274.4)
#4957A0 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) | #3760A3 | 0.029 |
| Deuteranopia (no green cones) | #2D599E | 0.032 |
| Tritanopia (no blue cones) | #1F6773 | 0.106 |
| Achromatopsia (no color) | #5C5C5C | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4957A0
#4957A0
oklch(48.2% 0.118 273)
- #715C00
#715C00
oklch(48.2% 0.099 93.4)
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 #4957A0, closest first.
No curated palette has a color within ΔE 0.04 of #4957A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.033
- Twilight #4E518B ΔE 0.035
- Dusk #4E5481 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.053
- Dusk Blue #26538D ΔE 0.054
- Denim #3B638C ΔE 0.054
- French Blue #436BAD ΔE 0.055
Use #4957A0 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.