#2B5A97
Closest named color: Denim Blue (#3B5B92). oklch(46.6% 0.112 256), rgb(43, 90, 151).
Aa
White text reads best on this color (6.97:1).
About this color
#2B5A97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.112 and its hue 256°. 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 6.97:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #2B5A97 |
| RGB | rgb(43, 90, 151) |
| HSL | hsl(214, 56%, 38%) |
| OKLCH | oklch(46.6% 0.112 256) |
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 #2B5A97 | 6.97:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #2B5A97 | 3.01:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #2B5A97 text on white | 6.97:1 | AA | Lc 83.9 | Fine for body text |
| #2B5A97 text on black | 3.01:1 | AA large text | Lc -18.1 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#AAC3E4
oklch(81% 0.054 255.4)
-
Step 400
400
#7DA3D6
oklch(70.7% 0.086 255.9)
-
Step 500
500
#5B8BCB
oklch(63% 0.11 256)
-
Step 600
600
#4074B8
oklch(55.5% 0.12 255.9)
-
Step 700
700 (this color)
#2B5A97
oklch(46.6% 0.112 256)
-
Step 800
800
#2A5081
oklch(42.8% 0.093 255.6)
-
Step 900
900
#274267
oklch(37.6% 0.072 256.6)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#2B5A97 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) | #3E5F99 | 0.026 |
| Deuteranopia (no green cones) | #2D5596 | 0.014 |
| Tritanopia (no blue cones) | #006871 | 0.087 |
| Achromatopsia (no color) | #595959 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5A97
#2B5A97
oklch(46.6% 0.112 256)
- #795100
#795100
oklch(46.7% 0.098 76)
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 #2B5A97, 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 0.025
- Dusk Blue #26538D ΔE 0.025
- Dusky Blue #475F94 ΔE 0.036
- Denim #3B638C ΔE 0.040
- Peacock Blue #016795 ΔE 0.041
- Light Navy #155084 ΔE 0.046
- Twilight #4E518B ΔE 0.047
Use #2B5A97 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.