#2A5C97
Closest named color: Denim Blue (#3B5B92). oklch(47.1% 0.11 254.3), rgb(42, 92, 151).
Aa
White text reads best on this color (6.82:1).
About this color
#2A5C97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.110 and its hue 254°. 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 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #2A5C97 |
| RGB | rgb(42, 92, 151) |
| HSL | hsl(212, 56%, 38%) |
| OKLCH | oklch(47.1% 0.11 254.3) |
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 #2A5C97 | 6.82:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #2A5C97 | 3.07:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #2A5C97 text on white | 6.82:1 | AA | Lc 83.3 | Fine for body text |
| #2A5C97 text on black | 3.07:1 | AA large text | Lc -18.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#AAC3E3
oklch(80.9% 0.053 254.7)
-
Step 400
400
#7CA4D5
oklch(70.8% 0.084 253.9)
-
Step 500
500
#598CCA
oklch(63.1% 0.109 254.1)
-
Step 600
600
#3E75B7
oklch(55.6% 0.119 254.3)
-
Step 700
700 (this color)
#2A5C97
oklch(47.1% 0.11 254.3)
-
Step 800
800
#295080
oklch(42.7% 0.092 254.8)
-
Step 900
900
#254366
oklch(37.7% 0.07 253.4)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#2A5C97 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) | #416099 | 0.028 |
| Deuteranopia (no green cones) | #305696 | 0.017 |
| Tritanopia (no blue cones) | #006A72 | 0.086 |
| Achromatopsia (no color) | #5B5B5B | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5C97
#2A5C97
oklch(47.1% 0.11 254.3)
- #7C5100
#7C5100
oklch(47.1% 0.1 73.9)
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 #2A5C97, 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 0.024
- Dusk Blue #26538D ΔE 0.030
- Dusky Blue #475F94 ΔE 0.034
- Denim #3B638C ΔE 0.035
- Peacock Blue #016795 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.049
- Twilight #4E518B ΔE 0.049
Use #2A5C97 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.