#2B5993
Closest named color: Denim Blue (#3B5B92). oklch(46.1% 0.107 255.4), rgb(43, 89, 147).
Aa
White text reads best on this color (7.11:1).
About this color
#2B5993 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.107 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.018 away. White text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #2B5993 |
| RGB | rgb(43, 89, 147) |
| HSL | hsl(213, 55%, 37%) |
| OKLCH | oklch(46.1% 0.107 255.4) |
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 #2B5993 | 7.11:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #2B5993 | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #2B5993 text on white | 7.11:1 | AAA | Lc 84.4 | Fine for body text |
| #2B5993 text on black | 2.95:1 | Fails | Lc -17.6 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ABC3E2
oklch(80.9% 0.051 254.9)
-
Step 400
400
#7EA3D4
oklch(70.7% 0.083 255.6)
-
Step 500
500
#5C8CC9
oklch(63.2% 0.106 255)
-
Step 600
600
#4275B6
oklch(55.7% 0.116 255.3)
-
Step 700
700 (this color)
#2B5993
oklch(46.1% 0.107 255.4)
-
Step 800
800
#2B507F
oklch(42.7% 0.089 255.3)
-
Step 900
900
#274366
oklch(37.8% 0.069 254.8)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#2B5993 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) | #3F5D95 | 0.026 |
| Deuteranopia (no green cones) | #2F5492 | 0.014 |
| Tritanopia (no blue cones) | #00666F | 0.083 |
| Achromatopsia (no color) | #585858 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5993
#2B5993
oklch(46.1% 0.107 255.4)
- #774F00
#774F00
oklch(46.1% 0.097 75.4)
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 #2B5993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.019
- Dusk Blue #26538D ΔE 0.020
- Dusky Blue #475F94 ΔE 0.038
- Denim #3B638C ΔE 0.039
- Light Navy #155084 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.041
- Peacock Blue #016795 ΔE 0.042
Use #2B5993 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.