#2C4D98
Closest named color: Cobalt (#1E488F). oklch(43.8% 0.129 264), rgb(44, 77, 152).
Aa
White text reads best on this color (8.00:1).
About this color
#2C4D98 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.129 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.025 away. White text reads best on it, at 8.00:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #2C4D98 |
| RGB | rgb(44, 77, 152) |
| HSL | hsl(222, 55%, 38%) |
| OKLCH | oklch(43.8% 0.129 264) |
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 #2C4D98 | 8.00:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #2C4D98 | 2.62:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #2C4D98 text on white | 8.00:1 | AAA | Lc 87.4 | Fine for body text |
| #2C4D98 text on black | 2.62:1 | Fails | Lc -14.7 | Not readable |
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 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF6
oklch(88.6% 0.042 263)
-
Step 300
300
#A8C1F2
oklch(80.9% 0.075 263.7)
-
Step 400
400
#7A9FEC
oklch(70.7% 0.121 264)
-
Step 500
500
#5985E6
oklch(63.2% 0.154 264.1)
-
Step 600
600
#3F6CD4
oklch(55.6% 0.168 264.1)
-
Step 700
700
#315AB8
oklch(49.2% 0.156 263.9)
-
Step 800
800 (this color)
#2C4D98
oklch(43.8% 0.129 264)
-
Step 900
900
#253E76
oklch(37.5% 0.101 264.1)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#2C4D98 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) | #24569B | 0.025 |
| Deuteranopia (no green cones) | #054C96 | 0.026 |
| Tritanopia (no blue cones) | #005F6B | 0.105 |
| Achromatopsia (no color) | #505050 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C4D98
#2C4D98
oklch(43.8% 0.129 264)
- #694D00
#694D00
oklch(43.8% 0.09 84.4)
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 #2C4D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.025
- Dusk Blue #26538D ΔE 0.027
- Light Navy #155084 ΔE 0.041
- Blueberry #464196 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
- Twilight #4E518B ΔE 0.051
Use #2C4D98 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.