#2D47A2
Closest named color: Cobalt (#1E488F). oklch(43.3% 0.15 267.6), rgb(45, 71, 162).
Aa
White text reads best on this color (8.28:1).
About this color
#2D47A2 is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.150 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.035 away. White text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #2D47A2 |
| RGB | rgb(45, 71, 162) |
| HSL | hsl(227, 57%, 41%) |
| OKLCH | oklch(43.3% 0.15 267.6) |
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 #2D47A2 | 8.28:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #2D47A2 | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #2D47A2 text on white | 8.28:1 | AAA | Lc 88.2 | Fine for body text |
| #2D47A2 text on black | 2.53:1 | Fails | Lc -14.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFFA
oklch(80.9% 0.088 267.9)
-
Step 400
400
#7A9CF8
oklch(70.7% 0.14 267.4)
-
Step 500
500
#5A80F5
oklch(63.1% 0.18 267.5)
-
Step 600
600
#4266E4
oklch(55.7% 0.196 267.5)
-
Step 700
700
#3553C6
oklch(49% 0.182 267.8)
-
Step 800
800 (this color)
#2D47A2
oklch(43.3% 0.15 267.6)
-
Step 900
900
#263B7F
oklch(37.6% 0.118 267.5)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#2D47A2 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) | #0054A5 | 0.038 |
| Deuteranopia (no green cones) | #0049A0 | 0.028 |
| Tritanopia (no blue cones) | #005D6D | 0.121 |
| Achromatopsia (no color) | #4E4E4E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D47A2
#2D47A2
oklch(43.3% 0.15 267.6)
- #654D00
#654D00
oklch(43.3% 0.089 87.9)
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 #2D47A2, closest first.
No curated palette has a color within ΔE 0.04 of #2D47A2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.035
- Blueberry #464196 ΔE 0.039
- Sapphire #2138AB ΔE 0.043
- Dusk Blue #26538D ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.054
- Blue Blue #2242C7 ΔE 0.061
- Light Navy #155084 ΔE 0.061
- Twilight #4E518B ΔE 0.068
Use #2D47A2 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.