#3152AB
Closest named color: Dusk Blue (#26538D). oklch(46.5% 0.148 265.6), rgb(49, 82, 171).
Aa
White text reads best on this color (7.17:1).
About this color
#3152AB is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.148 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.051 away. White text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #3152AB |
| RGB | rgb(49, 82, 171) |
| HSL | hsl(224, 55%, 43%) |
| OKLCH | oklch(46.5% 0.148 265.6) |
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 #3152AB | 7.17:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #3152AB | 2.92:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #3152AB text on white | 7.17:1 | AAA | Lc 84.5 | Fine for body text |
| #3152AB text on black | 2.92:1 | Fails | Lc -17.5 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300
#ABC0F0
oklch(80.9% 0.072 266.3)
-
Step 400
400
#7E9FE8
oklch(70.8% 0.114 265.1)
-
Step 500
500
#5F85E1
oklch(63.2% 0.145 265.5)
-
Step 600
600
#466CCF
oklch(55.5% 0.159 265.7)
-
Step 700
700 (this color)
#3152AB
oklch(46.5% 0.148 265.6)
-
Step 800
800
#2E4A91
oklch(42.7% 0.122 265.4)
-
Step 900
900
#293E74
oklch(37.6% 0.096 266)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#3152AB 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) | #1A5DAE | 0.031 |
| Deuteranopia (no green cones) | #0052A9 | 0.030 |
| Tritanopia (no blue cones) | #006776 | 0.119 |
| Achromatopsia (no color) | #575757 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3152AB
#3152AB
oklch(46.5% 0.148 265.6)
- #715400
#715400
oklch(46.4% 0.095 85.4)
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 #3152AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
- Blueberry #464196 ΔE 0.056
- Cobalt #1E488F ΔE 0.057
- Twilight #4E518B ΔE 0.062
- Blue Blue #2242C7 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.063
- Mid Blue #276AB3 ΔE 0.064
Use #3152AB 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.