#2D4FA2
Closest named color: Dusk Blue (#26538D). oklch(45% 0.14 264.6), rgb(45, 79, 162).
Aa
White text reads best on this color (7.63:1).
About this color
#2D4FA2 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.140 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.038 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #2D4FA2 |
| RGB | rgb(45, 79, 162) |
| HSL | hsl(223, 57%, 41%) |
| OKLCH | oklch(45% 0.14 264.6) |
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 #2D4FA2 | 7.63:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #2D4FA2 | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #2D4FA2 text on white | 7.63:1 | AAA | Lc 86.1 | Fine for body text |
| #2D4FA2 text on black | 2.75:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CAD9F8
oklch(88.4% 0.046 264.9)
-
Step 300
300
#A6C0F6
oklch(80.8% 0.082 264.6)
-
Step 400
400
#789EF2
oklch(70.7% 0.131 264.8)
-
Step 500
500
#5683EE
oklch(63.1% 0.168 264.8)
-
Step 600
600
#3C6ADC
oklch(55.6% 0.182 264.6)
-
Step 700
700
#2F58BF
oklch(49.2% 0.169 264.6)
-
Step 800
800 (this color)
#2D4FA2
oklch(45% 0.14 264.6)
-
Step 900
900
#243D7B
oklch(37.6% 0.11 265)
-
Step 950
950
#152448
oklch(26.9% 0.07 265)
#2D4FA2 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) | #1D59A5 | 0.027 |
| Deuteranopia (no green cones) | #004EA0 | 0.028 |
| Tritanopia (no blue cones) | #006371 | 0.113 |
| Achromatopsia (no color) | #545454 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4FA2
#2D4FA2
oklch(45% 0.14 264.6)
- #6D5000
#6D5000
oklch(45% 0.092 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 #2D4FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.038
- Cobalt #1E488F ΔE 0.040
- Blueberry #464196 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.050
- Light Navy #155084 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.057
- Sapphire #2138AB ΔE 0.062
Use #2D4FA2 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.