#2B5896
Closest named color: Dusk Blue (#26538D). oklch(46.1% 0.113 257), rgb(43, 88, 150).
Aa
White text reads best on this color (7.14:1).
About this color
#2B5896 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.113 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.14:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #2B5896 |
| RGB | rgb(43, 88, 150) |
| HSL | hsl(215, 55%, 38%) |
| OKLCH | oklch(46.1% 0.113 257) |
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 #2B5896 | 7.14:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #2B5896 | 2.93:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #2B5896 text on white | 7.14:1 | AAA | Lc 84.5 | Fine for body text |
| #2B5896 text on black | 2.93:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC3E4
oklch(81% 0.054 256.4)
-
Step 400
400
#7DA3D7
oklch(70.8% 0.087 256.4)
-
Step 500
500
#5C8BCC
oklch(63.1% 0.111 256.7)
-
Step 600
600
#4274B9
oklch(55.7% 0.121 256.8)
-
Step 700
700 (this color)
#2B5896
oklch(46.1% 0.113 257)
-
Step 800
800
#2B4F81
oklch(42.6% 0.093 257)
-
Step 900
900
#274268
oklch(37.7% 0.073 257.1)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#2B5896 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) | #3B5D98 | 0.024 |
| Deuteranopia (no green cones) | #2A5395 | 0.015 |
| Tritanopia (no blue cones) | #00666F | 0.089 |
| Achromatopsia (no color) | #585858 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5896
#2B5896
oklch(46.1% 0.113 257)
- #765000
#765000
oklch(46.1% 0.096 77.2)
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 #2B5896, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.025
- Dusky Blue #475F94 ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.044
- Denim #3B638C ΔE 0.044
- Twilight #4E518B ΔE 0.045
Use #2B5896 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.