#1F616D
Closest named color: Petrol (#005F6A). oklch(45.7% 0.067 212), rgb(31, 97, 109).
Aa
White text reads best on this color (7.02:1).
About this color
#1F616D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.067 and its hue 212°. 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 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #1F616D |
| RGB | rgb(31, 97, 109) |
| HSL | hsl(189, 56%, 27%) |
| OKLCH | oklch(45.7% 0.067 212) |
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 #1F616D | 7.02:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #1F616D | 2.98:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #1F616D text on white | 7.02:1 | AAA | Lc 84.1 | Fine for body text |
| #1F616D text on black | 2.98:1 | Fails | Lc -17.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A4C8CF
oklch(80.9% 0.04 210.7)
-
Step 400
400
#71ABB8
oklch(70.6% 0.063 213.3)
-
Step 500
500
#4796A6
oklch(63% 0.081 212.8)
-
Step 600
600
#218191
oklch(55.7% 0.088 211.5)
-
Step 700
700
#106D7B
oklch(49.2% 0.081 210.9)
-
Step 800
800 (this color)
#1F616D
oklch(45.7% 0.067 212)
-
Step 900
900
#1A4952
oklch(37.7% 0.052 212.3)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#1F616D 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) | #585E6E | 0.063 |
| Deuteranopia (no green cones) | #4C556D | 0.057 |
| Tritanopia (no blue cones) | #006665 | 0.027 |
| Achromatopsia (no color) | #595959 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F616D
#1F616D
oklch(45.7% 0.067 212)
- #78493F
#78493F
oklch(45.7% 0.067 32.7)
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 #1F616D, 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 0.027
- Dark Green Blue #1F6357 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.044
- Deep Teal #00555A ΔE 0.049
- Deep Turquoise #017374 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
- Slate #516572 ΔE 0.056
Use #1F616D 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.