#2D4CAE
Closest named color: Blue Blue (#2242C7). oklch(45.3% 0.161 266.6), rgb(45, 76, 174).
Aa
White text reads best on this color (7.61:1).
About this color
#2D4CAE is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.161 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.048 away. White text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #2D4CAE |
| RGB | rgb(45, 76, 174) |
| HSL | hsl(226, 59%, 43%) |
| OKLCH | oklch(45.3% 0.161 266.6) |
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 #2D4CAE | 7.61:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #2D4CAE | 2.75:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #2D4CAE text on white | 7.61:1 | AAA | Lc 86.0 | Fine for body text |
| #2D4CAE text on black | 2.75:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A5BFFE
oklch(80.8% 0.094 267)
-
Step 400
400
#759CFE
oklch(70.8% 0.15 266.3)
-
Step 500
500
#547FFC
oklch(63.1% 0.192 266.6)
-
Step 600
600
#3B64EB
oklch(55.5% 0.209 266.5)
-
Step 700
700
#2E52CD
oklch(49.1% 0.195 266.5)
-
Step 800
800 (this color)
#2D4CAE
oklch(45.3% 0.161 266.6)
-
Step 900
900
#233B83
oklch(37.8% 0.125 266.5)
-
Step 950
950
#14234D
oklch(27% 0.08 266.3)
#2D4CAE 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) | #005AB1 | 0.039 |
| Deuteranopia (no green cones) | #004EAC | 0.026 |
| Tritanopia (no blue cones) | #006475 | 0.128 |
| Achromatopsia (no color) | #545454 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4CAE
#2D4CAE
oklch(45.3% 0.161 266.6)
- #6D5200
#6D5200
oklch(45.4% 0.093 86.5)
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 #2D4CAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.048
- Sapphire #2138AB ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Cobalt #1E488F ΔE 0.054
- Dusk Blue #26538D ΔE 0.060
- Majorelle Blue #3F37C9 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.068
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
Use #2D4CAE 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.