#1B7782
Closest named color: Deep Aqua (#08787F). oklch(52.3% 0.082 207.1), rgb(27, 119, 130).
Aa
White text reads best on this color (5.23:1).
About this color
#1B7782 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.082 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.009 away. White text reads best on it, at 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #1B7782 |
| RGB | rgb(27, 119, 130) |
| HSL | hsl(186, 66%, 31%) |
| OKLCH | oklch(52.3% 0.082 207.1) |
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 #1B7782 | 5.23:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #1B7782 | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #1B7782 text on white | 5.23:1 | AA | Lc 75.6 | Fine for body text |
| #1B7782 text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C8CE
oklch(80.9% 0.039 208.8)
-
Step 400
400
#70ACB5
oklch(70.7% 0.063 207.8)
-
Step 500
500
#4497A3
oklch(63% 0.082 208.1)
-
Step 600
600
#1C828E
oklch(55.7% 0.089 207.1)
-
Step 700
700 (this color)
#1B7782
oklch(52.3% 0.082 207.1)
-
Step 800
800
#0F5962
oklch(42.6% 0.068 207.6)
-
Step 900
900
#184950
oklch(37.6% 0.053 208.3)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#1B7782 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) | #6C7283 | 0.080 |
| Deuteranopia (no green cones) | #5E6882 | 0.073 |
| Tritanopia (no blue cones) | #007D7A | 0.027 |
| Achromatopsia (no color) | #6C6C6C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B7782
#1B7782
oklch(52.3% 0.082 207.1)
- #945750
#945750
oklch(52.5% 0.082 27.2)
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 #1B7782, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.009
- Bluegreen #017A79 ΔE 0.021
- Ocean #017B92 ΔE 0.025
- Deep Turquoise #017374 ΔE 0.026
- Teal #008080 ΔE 0.029
- Dark Aquamarine #017371 ΔE 0.030
- Sea Blue #047495 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.050
Use #1B7782 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.