#356A5E
Closest named color: Dark Green Blue (#1F6357). oklch(48.4% 0.06 177.1), rgb(53, 106, 94).
Aa
White text reads best on this color (6.22:1).
About this color
#356A5E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.060 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #356A5E |
| RGB | rgb(53, 106, 94) |
| HSL | hsl(166, 33%, 31%) |
| OKLCH | oklch(48.4% 0.06 177.1) |
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 #356A5E | 6.22:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #356A5E | 3.37:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #356A5E text on white | 6.22:1 | AA | Lc 80.9 | Fine for body text |
| #356A5E text on black | 3.37:1 | AA large text | Lc -21.0 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C0
oklch(80.9% 0.029 176.9)
-
Step 400
400
#82ABA0
oklch(70.8% 0.047 176.6)
-
Step 500
500
#619689
oklch(63.2% 0.06 177.1)
-
Step 600
600
#468073
oklch(55.6% 0.065 177.6)
-
Step 700
700 (this color)
#356A5E
oklch(48.4% 0.06 177.1)
-
Step 800
800
#2E584E
oklch(42.6% 0.05 176.6)
-
Step 900
900
#2A4941
oklch(37.8% 0.04 175.8)
-
Step 950
950
#192A26
oklch(26.9% 0.024 178)
#356A5E 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) | #66645D | 0.063 |
| Deuteranopia (no green cones) | #5E5E5F | 0.061 |
| Tritanopia (no blue cones) | #1F6B66 | 0.018 |
| Achromatopsia (no color) | #616161 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356A5E
#356A5E
oklch(48.4% 0.06 177.1)
- #7B505F
#7B505F
oklch(48.4% 0.061 357.1)
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 #356A5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Dark Aqua #05696B ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.040
- Slate #516572 ΔE 0.053
- Bluegreen #017A79 ΔE 0.054
- Deep Aqua #08787F ΔE 0.056
- Petrol #005F6A ΔE 0.056
Use #356A5E 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.