#2F6D90
Closest named color: Sea Blue (#047495). oklch(51% 0.084 236.5), rgb(47, 109, 144).
Aa
White text reads best on this color (5.65:1).
About this color
#2F6D90 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.025 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #2F6D90 |
| RGB | rgb(47, 109, 144) |
| HSL | hsl(202, 51%, 37%) |
| OKLCH | oklch(51% 0.084 236.5) |
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 #2F6D90 | 5.65:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #2F6D90 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #2F6D90 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #2F6D90 text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A9C5D8
oklch(80.9% 0.041 237.7)
-
Step 400
400
#79A7C4
oklch(70.6% 0.065 236.6)
-
Step 500
500
#5591B5
oklch(63% 0.083 236.5)
-
Step 600
600
#377BA1
oklch(55.6% 0.09 236.1)
-
Step 700
700 (this color)
#2F6D90
oklch(51% 0.084 236.5)
-
Step 800
800
#245470
oklch(42.6% 0.07 237.2)
-
Step 900
900
#23465B
oklch(37.8% 0.054 236.9)
-
Step 950
950
#152935
oklch(27% 0.034 236.3)
#2F6D90 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) | #5C6C92 | 0.049 |
| Deuteranopia (no green cones) | #4F638F | 0.041 |
| Tritanopia (no blue cones) | #007679 | 0.057 |
| Achromatopsia (no color) | #676767 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6D90
#2F6D90
oklch(51% 0.084 236.5)
- #8B5933
#8B5933
oklch(51.1% 0.085 56.7)
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 #2F6D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.025
- Ocean Blue #03719C ΔE 0.025
- Muted Blue #3B719F ΔE 0.028
- Denim #3B638C ΔE 0.029
- Peacock Blue #016795 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.039
- Dull Blue #49759C ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.042
Use #2F6D90 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.