#2A5E92
Closest named color: Denim Blue (#3B5B92). oklch(47.2% 0.101 250.8), rgb(42, 94, 146).
Aa
White text reads best on this color (6.74:1).
About this color
#2A5E92 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.101 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.017 away. White text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #2A5E92 |
| RGB | rgb(42, 94, 146) |
| HSL | hsl(210, 55%, 37%) |
| OKLCH | oklch(47.2% 0.101 250.8) |
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 #2A5E92 | 6.74:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #2A5E92 | 3.11:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #2A5E92 text on white | 6.74:1 | AA | Lc 83.0 | Fine for body text |
| #2A5E92 text on black | 3.11:1 | AA large text | Lc -19.0 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#AAC4E0
oklch(81% 0.049 250.4)
-
Step 400
400
#7CA4D0
oklch(70.6% 0.078 251.3)
-
Step 500
500
#598DC4
oklch(63% 0.1 251)
-
Step 600
600
#3E77B1
oklch(55.7% 0.109 250.7)
-
Step 700
700 (this color)
#2A5E92
oklch(47.2% 0.101 250.8)
-
Step 800
800
#28517B
oklch(42.6% 0.084 250.9)
-
Step 900
900
#254463
oklch(37.8% 0.065 249.9)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#2A5E92 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) | #476194 | 0.033 |
| Deuteranopia (no green cones) | #385791 | 0.022 |
| Tritanopia (no blue cones) | #006A71 | 0.077 |
| Achromatopsia (no color) | #5B5B5B | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5E92
#2A5E92
oklch(47.2% 0.101 250.8)
- #7F5002
#7F5002
oklch(47.3% 0.101 70.5)
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 #2A5E92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.017
- Light Navy Blue #2E5A88 ΔE 0.018
- Denim #3B638C ΔE 0.027
- Peacock Blue #016795 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.032
- Dusk Blue #26538D ΔE 0.033
- YInMn Blue #415A77 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.047
Use #2A5E92 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.