#1F6977
Closest named color: Dark Aqua (#05696B). oklch(48.3% 0.073 213), rgb(31, 105, 119).
Aa
White text reads best on this color (6.27:1).
About this color
#1F6977 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.073 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.024 away. White text reads best on it, at 6.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #1F6977 |
| RGB | rgb(31, 105, 119) |
| HSL | hsl(190, 59%, 29%) |
| OKLCH | oklch(48.3% 0.073 213) |
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 #1F6977 | 6.27:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #1F6977 | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #1F6977 text on white | 6.27:1 | AA | Lc 81.0 | Fine for body text |
| #1F6977 text on black | 3.34:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CE
oklch(80.8% 0.036 212.4)
-
Step 400
400
#77AAB6
oklch(70.6% 0.057 214)
-
Step 500
500
#5195A4
oklch(63.1% 0.072 213.7)
-
Step 600
600
#317F8F
oklch(55.5% 0.079 213.6)
-
Step 700
700 (this color)
#1F6977
oklch(48.3% 0.073 213)
-
Step 800
800
#1F5863
oklch(42.8% 0.061 212.6)
-
Step 900
900
#204851
oklch(37.7% 0.047 214.4)
-
Step 950
950
#142A2F
oklch(26.9% 0.029 214)
#1F6977 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) | #5E6578 | 0.067 |
| Deuteranopia (no green cones) | #525C77 | 0.061 |
| Tritanopia (no blue cones) | #006F6D | 0.031 |
| Achromatopsia (no color) | #606060 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F6977
#1F6977
oklch(48.3% 0.073 213)
- #834E43
#834E43
oklch(48.2% 0.074 32.5)
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 #1F6977, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.024
- Deep Turquoise #017374 ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.036
- Petrol #005F6A ΔE 0.039
- Deep Aqua #08787F ΔE 0.044
- Slate #516572 ΔE 0.048
- Denim #3B638C ΔE 0.050
- Sea Blue #047495 ΔE 0.051
Use #1F6977 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.