#2D498C
Closest named color: Cobalt (#1E488F). oklch(42.1% 0.116 264.8), rgb(45, 73, 140).
Aa
White text reads best on this color (8.59:1).
About this color
#2D498C is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.116 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.016 away. White text reads best on it, at 8.59:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #2D498C |
| RGB | rgb(45, 73, 140) |
| HSL | hsl(222, 51%, 36%) |
| OKLCH | oklch(42.1% 0.116 264.8) |
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 #2D498C | 8.59:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #2D498C | 2.44:1 | Fails | Lc 14.7 | Not readable |
| #2D498C text on white | 8.59:1 | AAA | Lc 89.3 | Fine for body text |
| #2D498C text on black | 2.44:1 | Fails | Lc -13.0 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC1ED
oklch(80.9% 0.067 264.1)
-
Step 400
400
#7F9FE5
oklch(70.7% 0.109 265)
-
Step 500
500
#5F86DD
oklch(63.1% 0.138 264.5)
-
Step 600
600
#466ECB
oklch(55.7% 0.151 264.5)
-
Step 700
700
#385BAF
oklch(49.1% 0.14 264.7)
-
Step 800
800 (this color)
#2D498C
oklch(42.1% 0.116 264.8)
-
Step 900
900
#293F71
oklch(37.7% 0.09 264.6)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#2D498C 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) | #27518E | 0.022 |
| Deuteranopia (no green cones) | #14488B | 0.022 |
| Tritanopia (no blue cones) | #005863 | 0.096 |
| Achromatopsia (no color) | #4C4C4C | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D498C
#2D498C
oklch(42.1% 0.116 264.8)
- #634900
#634900
oklch(42.2% 0.086 85.1)
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 #2D498C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.016
- Dusk Blue #26538D ΔE 0.028
- Light Navy #155084 ΔE 0.031
- Blueberry #464196 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.046
- Twilight Blue #0A437A ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.052
Use #2D498C 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.