#1F5E6E
Closest named color: Petrol (#005F6A). oklch(44.9% 0.068 218), rgb(31, 94, 110).
Aa
White text reads best on this color (7.28:1).
About this color
#1F5E6E is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.068 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.016 away. White text reads best on it, at 7.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #1F5E6E |
| RGB | rgb(31, 94, 110) |
| HSL | hsl(192, 56%, 28%) |
| OKLCH | oklch(44.9% 0.068 218) |
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 #1F5E6E | 7.28:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #1F5E6E | 2.88:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #1F5E6E text on white | 7.28:1 | AAA | Lc 85.0 | Fine for body text |
| #1F5E6E text on black | 2.88:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A5C7D2
oklch(80.8% 0.04 219.4)
-
Step 400
400
#72ABBB
oklch(70.8% 0.064 217.3)
-
Step 500
500
#4A95AA
oklch(63% 0.08 218.6)
-
Step 600
600
#267F95
oklch(55.5% 0.087 218.1)
-
Step 700
700
#166C7F
oklch(49.2% 0.081 216.9)
-
Step 800
800 (this color)
#1F5E6E
oklch(44.9% 0.068 218)
-
Step 900
900
#1B4854
oklch(37.6% 0.053 218.2)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#1F5E6E 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) | #545B6F | 0.059 |
| Deuteranopia (no green cones) | #49536E | 0.053 |
| Tritanopia (no blue cones) | #006463 | 0.033 |
| Achromatopsia (no color) | #575757 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5E6E
#1F5E6E
oklch(44.9% 0.068 218)
- #754739
#754739
oklch(44.8% 0.068 37.7)
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 #1F5E6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.016
- Dark Aqua #05696B ΔE 0.037
- YInMn Blue #415A77 ΔE 0.040
- Deep Teal #00555A ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.054
- Denim #3B638C ΔE 0.058
Use #1F5E6E 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.