#2C5A9A
Closest named color: Denim Blue (#3B5B92). oklch(46.9% 0.116 257.2), rgb(44, 90, 154).
Aa
White text reads best on this color (6.91:1).
About this color
#2C5A9A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.116 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.020 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #2C5A9A |
| RGB | rgb(44, 90, 154) |
| HSL | hsl(215, 56%, 39%) |
| OKLCH | oklch(46.9% 0.116 257.2) |
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 #2C5A9A | 6.91:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #2C5A9A | 3.03:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #2C5A9A text on white | 6.91:1 | AA | Lc 83.6 | Fine for body text |
| #2C5A9A text on black | 3.03:1 | AA large text | Lc -18.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CCDAEE
oklch(88.4% 0.031 257.2)
-
Step 300
300
#AAC2E5
oklch(80.8% 0.056 257.7)
-
Step 400
400
#7DA3D8
oklch(70.8% 0.089 256.8)
-
Step 500
500
#5B8BCE
oklch(63.2% 0.114 256.9)
-
Step 600
600
#4173BB
oklch(55.5% 0.125 257.6)
-
Step 700
700 (this color)
#2C5A9A
oklch(46.9% 0.116 257.2)
-
Step 800
800
#2A4F83
oklch(42.7% 0.097 257.2)
-
Step 900
900
#274269
oklch(37.7% 0.075 257.6)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#2C5A9A 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) | #3C5F9D | 0.024 |
| Deuteranopia (no green cones) | #2A5599 | 0.015 |
| Tritanopia (no blue cones) | #006972 | 0.092 |
| Achromatopsia (no color) | #5A5A5A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C5A9A
#2C5A9A
oklch(46.9% 0.116 257.2)
- #795200
#795200
oklch(46.9% 0.098 77.1)
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 #2C5A9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Dusk Blue #26538D ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.036
- Denim #3B638C ΔE 0.042
- Peacock Blue #016795 ΔE 0.043
- Twilight #4E518B ΔE 0.047
- Light Navy #155084 ΔE 0.050
Use #2C5A9A 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.