#2D5F6F
Closest named color: Petrol (#005F6A). oklch(45.8% 0.06 221.4), rgb(45, 95, 111).
Aa
White text reads best on this color (7.05:1).
About this color
#2D5F6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.026 away. White text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #2D5F6F |
| RGB | rgb(45, 95, 111) |
| HSL | hsl(195, 42%, 31%) |
| OKLCH | oklch(45.8% 0.06 221.4) |
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 #2D5F6F | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #2D5F6F | 2.97:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #2D5F6F text on white | 7.05:1 | AAA | Lc 84.3 | Fine for body text |
| #2D5F6F text on black | 2.97:1 | Fails | Lc -17.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A9C6D1
oklch(80.9% 0.035 222.7)
-
Step 400
400
#7AA9B9
oklch(70.7% 0.055 221)
-
Step 500
500
#5594A8
oklch(63.2% 0.071 220.5)
-
Step 600
600
#387E93
oklch(55.7% 0.077 220.5)
-
Step 700
700
#296A7E
oklch(49.2% 0.072 221.6)
-
Step 800
800 (this color)
#2D5F6F
oklch(45.8% 0.06 221.4)
-
Step 900
900
#234753
oklch(37.6% 0.046 221.9)
-
Step 950
950
#152A31
oklch(27.1% 0.03 221.5)
#2D5F6F 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) | #555D70 | 0.048 |
| Deuteranopia (no green cones) | #4C556F | 0.045 |
| Tritanopia (no blue cones) | #006464 | 0.036 |
| Achromatopsia (no color) | #595959 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F6F
#2D5F6F
oklch(45.8% 0.06 221.4)
- #744C3D
#744C3D
oklch(45.7% 0.06 41.3)
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 #2D5F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.026
- YInMn Blue #415A77 ΔE 0.031
- Dark Aqua #05696B ΔE 0.038
- Slate #516572 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.049
- Denim #3B638C ΔE 0.051
- Deep Teal #00555A ΔE 0.054
Use #2D5F6F 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.