#2C5F9D
Closest named color: Denim Blue (#3B5B92). oklch(48.2% 0.114 254.8), rgb(44, 95, 157).
Aa
White text reads best on this color (6.49:1).
About this color
#2C5F9D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.114 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.022 away. White text reads best on it, at 6.49:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #2C5F9D |
| RGB | rgb(44, 95, 157) |
| HSL | hsl(213, 56%, 39%) |
| OKLCH | oklch(48.2% 0.114 254.8) |
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 #2C5F9D | 6.49:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #2C5F9D | 3.23:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #2C5F9D text on white | 6.49:1 | AA | Lc 81.9 | Fine for body text |
| #2C5F9D text on black | 3.23:1 | AA large text | Lc -19.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E4
oklch(80.9% 0.055 254.5)
-
Step 400
400
#7BA3D7
oklch(70.6% 0.088 255.3)
-
Step 500
500
#588CCC
oklch(63.1% 0.112 254.4)
-
Step 600
600
#3D75B9
oklch(55.7% 0.122 254.6)
-
Step 700
700 (this color)
#2C5F9D
oklch(48.2% 0.114 254.8)
-
Step 800
800
#285081
oklch(42.7% 0.094 254.7)
-
Step 900
900
#254368
oklch(37.8% 0.073 254.6)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#2C5F9D 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) | #42649F | 0.028 |
| Deuteranopia (no green cones) | #31599C | 0.017 |
| Tritanopia (no blue cones) | #006D76 | 0.088 |
| Achromatopsia (no color) | #5E5E5E | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C5F9D
#2C5F9D
oklch(48.2% 0.114 254.8)
- #7F5400
#7F5400
oklch(48.1% 0.102 74.8)
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 #2C5F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.022
- Dusky Blue #475F94 ΔE 0.031
- Peacock Blue #016795 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Denim #3B638C ΔE 0.035
- Dusk Blue #26538D ΔE 0.042
- Mid Blue #276AB3 ΔE 0.042
- French Blue #436BAD ΔE 0.049
Use #2C5F9D 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.