#284971
Closest named color: Light Navy (#155084). oklch(40% 0.078 254.3), rgb(40, 73, 113).
Aa
White text reads best on this color (9.20:1).
About this color
#284971 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.078 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.035 away. White text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #284971 |
| RGB | rgb(40, 73, 113) |
| HSL | hsl(213, 48%, 30%) |
| OKLCH | oklch(40% 0.078 254.3) |
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 #284971 | 9.20:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #284971 | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #284971 text on white | 9.20:1 | AAA | Lc 91.0 | Preferred for body text |
| #284971 text on black | 2.28:1 | Fails | Lc -11.3 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A7C3E7
oklch(80.9% 0.06 254.8)
-
Step 400
400
#77A4DA
oklch(70.8% 0.093 253.5)
-
Step 500
500
#538CD0
oklch(63.1% 0.119 253.9)
-
Step 600
600
#3775BE
oklch(55.8% 0.131 254.2)
-
Step 700
700
#2961A3
oklch(49% 0.121 254.5)
-
Step 800
800
#235084
oklch(42.7% 0.1 253.9)
-
Step 900
900 (this color)
#284971
oklch(40% 0.078 254.3)
-
Step 950
950
#14273E
oklch(26.9% 0.05 254.1)
#284971 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) | #384B73 | 0.021 |
| Deuteranopia (no green cones) | #2E4470 | 0.015 |
| Tritanopia (no blue cones) | #005257 | 0.065 |
| Achromatopsia (no color) | #484848 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284971
#284971
oklch(40% 0.078 254.3)
- #60400B
#60400B
oklch(39.9% 0.078 74.1)
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 #284971, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.041
- Dusk Blue #26538D ΔE 0.051
- Charcoal #264653 ΔE 0.051
- Cobalt #1E488F ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.060
Use #284971 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.