#2D52AB
Closest named color: Dusk Blue (#26538D). oklch(46.3% 0.149 264.3), rgb(45, 82, 171).
Aa
White text reads best on this color (7.22:1).
About this color
#2D52AB is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.149 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.050 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #2D52AB |
| RGB | rgb(45, 82, 171) |
| HSL | hsl(222, 58%, 42%) |
| OKLCH | oklch(46.3% 0.149 264.3) |
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 #2D52AB | 7.22:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #2D52AB | 2.90:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #2D52AB text on white | 7.22:1 | AAA | Lc 84.7 | Fine for body text |
| #2D52AB text on black | 2.90:1 | Fails | Lc -17.3 | 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 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
#CCD9F5
oklch(88.4% 0.041 265.7)
-
Step 300
300
#A9C1F0
oklch(80.9% 0.072 263.7)
-
Step 400
400
#7C9FE9
oklch(70.7% 0.116 264.3)
-
Step 500
500
#5C85E2
oklch(63.1% 0.148 264.6)
-
Step 600
600
#426DD0
oklch(55.6% 0.16 264.2)
-
Step 700
700 (this color)
#2D52AB
oklch(46.3% 0.149 264.3)
-
Step 800
800
#2C4A92
oklch(42.7% 0.124 264.7)
-
Step 900
900
#273F74
oklch(37.7% 0.096 264)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#2D52AB 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) | #185DAE | 0.030 |
| Deuteranopia (no green cones) | #0052A9 | 0.026 |
| Tritanopia (no blue cones) | #006776 | 0.119 |
| Achromatopsia (no color) | #575757 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D52AB
#2D52AB
oklch(46.3% 0.149 264.3)
- #725300
#725300
oklch(46.3% 0.095 83.5)
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 #2D52AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.053
- Cobalt #1E488F ΔE 0.055
- Blueberry #464196 ΔE 0.057
- Blue Blue #2242C7 ΔE 0.061
- Twilight #4E518B ΔE 0.064
- Mid Blue #276AB3 ΔE 0.065
- Light Navy Blue #2E5A88 ΔE 0.065
Use #2D52AB 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.