#28485A
Closest named color: Dark Grey Blue (#29465B). oklch(38.5% 0.049 234.6), rgb(40, 72, 90).
Aa
White text reads best on this color (9.70:1).
About this color
#28485A is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.007 away. White text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #28485A |
| RGB | rgb(40, 72, 90) |
| HSL | hsl(202, 38%, 25%) |
| OKLCH | oklch(38.5% 0.049 234.6) |
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 #28485A | 9.70:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #28485A | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #28485A text on white | 9.70:1 | AAA | Lc 92.4 | Preferred for body text |
| #28485A text on black | 2.16:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D5
oklch(80.9% 0.036 234.9)
-
Step 400
400
#7DA7C0
oklch(70.7% 0.058 234.8)
-
Step 500
500
#5A91B0
oklch(63.1% 0.075 234.4)
-
Step 600
600
#3E7B9C
oklch(55.6% 0.081 234.5)
-
Step 700
700
#306785
oklch(49% 0.075 235.1)
-
Step 800
800
#29546C
oklch(42.6% 0.062 235.3)
-
Step 900
900 (this color)
#28485A
oklch(38.5% 0.049 234.6)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#28485A 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) | #40475B | 0.032 |
| Deuteranopia (no green cones) | #39425A | 0.027 |
| Tritanopia (no blue cones) | #0B4D4E | 0.038 |
| Achromatopsia (no color) | #444444 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28485A
#28485A
oklch(38.5% 0.049 234.6)
- #583D2A
#583D2A
oklch(38.6% 0.049 55.9)
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 #28485A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.007
- Charcoal #264653 ΔE 0.013
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Teal #014D4E ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Onyx #343A40 ΔE 0.054
Use #28485A 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.