#2D5683
Closest named color: Light Navy Blue (#2E5A88). oklch(44.5% 0.088 252.3), rgb(45, 86, 131).
Aa
White text reads best on this color (7.58:1).
About this color
#2D5683 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.088 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.013 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.77:1 |
| White text | 7.58:1 |
Values
| HEX | #2D5683 |
| RGB | rgb(45, 86, 131) |
| HSL | hsl(211, 49%, 35%) |
| OKLCH | oklch(44.5% 0.088 252.3) |
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 #2D5683 | 7.58:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #2D5683 | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #2D5683 text on white | 7.58:1 | AAA | Lc 86.1 | Fine for body text |
| #2D5683 text on black | 2.77:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C3E1
oklch(80.8% 0.051 252.1)
-
Step 400
400
#7BA4D3
oklch(70.7% 0.082 252.3)
-
Step 500
500
#598DC7
oklch(63.2% 0.104 252.2)
-
Step 600
600
#3D76B4
oklch(55.6% 0.114 252.3)
-
Step 700
700
#2F639B
oklch(49.2% 0.106 252.3)
-
Step 800
800 (this color)
#2D5683
oklch(44.5% 0.088 252.3)
-
Step 900
900
#254365
oklch(37.6% 0.069 252.8)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#2D5683 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) | #435885 | 0.027 |
| Deuteranopia (no green cones) | #375082 | 0.019 |
| Tritanopia (no blue cones) | #006066 | 0.070 |
| Achromatopsia (no color) | #545454 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5683
#2D5683
oklch(44.5% 0.088 252.3)
- #714B10
#714B10
oklch(44.5% 0.087 72.6)
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 #2D5683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.013
- Dusk Blue #26538D ΔE 0.021
- Deep Sea Blue #015482 ΔE 0.028
- Light Navy #155084 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Dusk #4E5481 ΔE 0.040
- Denim #3B638C ΔE 0.044
Use #2D5683 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.