#28596A
Closest named color: Petrol (#005F6A). oklch(43.8% 0.06 223.5), rgb(40, 89, 106).
Aa
White text reads best on this color (7.69:1).
About this color
#28596A is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.060 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.025 away. White text reads best on it, at 7.69:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #28596A |
| RGB | rgb(40, 89, 106) |
| HSL | hsl(195, 45%, 29%) |
| OKLCH | oklch(43.8% 0.06 223.5) |
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 #28596A | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #28596A | 2.72:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #28596A text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #28596A text on black | 2.72:1 | Fails | Lc -15.5 | 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
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D1
oklch(80.9% 0.035 222.7)
-
Step 400
400
#7AA9BA
oklch(70.7% 0.056 222.3)
-
Step 500
500
#5693A9
oklch(63% 0.071 223.3)
-
Step 600
600
#397D95
oklch(55.6% 0.078 224.1)
-
Step 700
700
#2B697F
oklch(49% 0.072 224.6)
-
Step 800
800 (this color)
#28596A
oklch(43.8% 0.06 223.5)
-
Step 900
900
#234754
oklch(37.7% 0.047 223.8)
-
Step 950
950
#162A31
oklch(27.1% 0.029 222.4)
#28596A 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) | #4F576B | 0.047 |
| Deuteranopia (no green cones) | #46506A | 0.042 |
| Tritanopia (no blue cones) | #005E5E | 0.036 |
| Achromatopsia (no color) | #535353 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28596A
#28596A
oklch(43.8% 0.06 223.5)
- #6E4737
#6E4737
oklch(43.8% 0.06 43.1)
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 #28596A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.025
- YInMn Blue #415A77 ΔE 0.037
- Deep Teal #00555A ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Dark Aqua #05696B ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.053
Use #28596A 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.