#2D5265
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.9% 0.053 232.3), rgb(45, 82, 101).
Aa
White text reads best on this color (8.37:1).
About this color
#2D5265 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.053 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.036 away. White text reads best on it, at 8.37:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #2D5265 |
| RGB | rgb(45, 82, 101) |
| HSL | hsl(200, 38%, 29%) |
| OKLCH | oklch(41.9% 0.053 232.3) |
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 #2D5265 | 8.37:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #2D5265 | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #2D5265 text on white | 8.37:1 | AAA | Lc 88.8 | Fine for body text |
| #2D5265 text on black | 2.50:1 | Fails | Lc -13.4 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#AEC5D2
oklch(81% 0.031 232.5)
-
Step 400
400
#82A7BB
oklch(70.8% 0.05 232)
-
Step 500
500
#6291AA
oklch(63.2% 0.063 232.3)
-
Step 600
600
#477A95
oklch(55.5% 0.069 233)
-
Step 700
700
#38677F
oklch(49.1% 0.064 232.4)
-
Step 800
800 (this color)
#2D5265
oklch(41.9% 0.053 232.3)
-
Step 900
900
#2A4654
oklch(37.8% 0.041 231)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#2D5265 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) | #495166 | 0.036 |
| Deuteranopia (no green cones) | #414B65 | 0.031 |
| Tritanopia (no blue cones) | #0B5758 | 0.040 |
| Achromatopsia (no color) | #4E4E4E | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5265
#2D5265
oklch(41.9% 0.053 232.3)
- #644531
#644531
oklch(42% 0.053 53.6)
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 #2D5265, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.036
- Deep Teal #00555A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.039
- Petrol #005F6A ΔE 0.043
- YInMn Blue #415A77 ΔE 0.045
- Charcoal #264653 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.052
- Dark Teal #014D4E ΔE 0.054
Use #2D5265 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.