#2A7190
Closest named color: Sea Blue (#047495). oklch(51.8% 0.085 230.5), rgb(42, 113, 144).
Aa
White text reads best on this color (5.43:1).
About this color
#2A7190 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.085 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.016 away. White text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #2A7190 |
| RGB | rgb(42, 113, 144) |
| HSL | hsl(198, 55%, 36%) |
| OKLCH | oklch(51.8% 0.085 230.5) |
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 #2A7190 | 5.43:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #2A7190 | 3.86:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #2A7190 text on white | 5.43:1 | AA | Lc 76.8 | Fine for body text |
| #2A7190 text on black | 3.86:1 | AA large text | Lc -24.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D6
oklch(80.9% 0.04 230.3)
-
Step 400
400
#76A9C2
oklch(70.8% 0.065 230)
-
Step 500
500
#4F93B3
oklch(63.1% 0.084 230.5)
-
Step 600
600
#2F7D9F
oklch(55.7% 0.091 230.5)
-
Step 700
700 (this color)
#2A7190
oklch(51.8% 0.085 230.5)
-
Step 800
800
#1E566E
oklch(42.8% 0.07 230)
-
Step 900
900
#1F4759
oklch(37.7% 0.054 229.9)
-
Step 950
950
#132A34
oklch(27.1% 0.034 228.3)
#2A7190 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) | #616F92 | 0.058 |
| Deuteranopia (no green cones) | #536590 | 0.051 |
| Tritanopia (no blue cones) | #007A7B | 0.053 |
| Achromatopsia (no color) | #6A6A6A | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A7190
#2A7190
oklch(51.8% 0.085 230.5)
- #8F5939
#8F5939
oklch(51.7% 0.085 50.6)
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 #2A7190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.016
- Ocean Blue #03719C ΔE 0.023
- Muted Blue #3B719F ΔE 0.029
- Ocean #017B92 ΔE 0.031
- Metallic Blue #4F738E ΔE 0.036
- Dull Blue #49759C ΔE 0.037
- Peacock Blue #016795 ΔE 0.040
- Denim #3B638C ΔE 0.041
Use #2A7190 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.