#2B7091
Closest named color: Sea Blue (#047495). oklch(51.7% 0.086 232.7), rgb(43, 112, 145).
Aa
White text reads best on this color (5.48:1).
About this color
#2B7091 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.086 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.017 away. White text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #2B7091 |
| RGB | rgb(43, 112, 145) |
| HSL | hsl(199, 54%, 37%) |
| OKLCH | oklch(51.7% 0.086 232.7) |
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 #2B7091 | 5.48:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #2B7091 | 3.82:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #2B7091 text on white | 5.48:1 | AA | Lc 77.1 | Fine for body text |
| #2B7091 text on black | 3.82:1 | AA large text | Lc -24.6 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#76A8C3
oklch(70.6% 0.066 232.5)
-
Step 500
500
#5092B4
oklch(63% 0.085 232.7)
-
Step 600
600
#317CA0
oklch(55.6% 0.092 232.7)
-
Step 700
700 (this color)
#2B7091
oklch(51.7% 0.086 232.7)
-
Step 800
800
#1F556F
oklch(42.6% 0.071 232.9)
-
Step 900
900
#20475A
oklch(37.8% 0.055 231.9)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#2B7091 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) | #606F93 | 0.056 |
| Deuteranopia (no green cones) | #526590 | 0.047 |
| Tritanopia (no blue cones) | #00797B | 0.054 |
| Achromatopsia (no color) | #696969 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B7091
#2B7091
oklch(51.7% 0.086 232.7)
- #8E5937
#8E5937
oklch(51.6% 0.085 52.5)
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 #2B7091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.017
- Ocean Blue #03719C ΔE 0.022
- Muted Blue #3B719F ΔE 0.027
- Ocean #017B92 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.037
- Dull Blue #49759C ΔE 0.037
- Peacock Blue #016795 ΔE 0.037
- Denim #3B638C ΔE 0.038
Use #2B7091 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.