#1588A2
Closest named color: Teal Blue (#01889F). oklch(58% 0.1 218.4), rgb(21, 136, 162).
Aa
Black text reads best on this color (5.07:1).
About this color
#1588A2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.100 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.007 away. Black text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #1588A2 |
| RGB | rgb(21, 136, 162) |
| HSL | hsl(191, 77%, 36%) |
| OKLCH | oklch(58% 0.1 218.4) |
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 #1588A2 | 4.13:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #1588A2 | 5.07:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #1588A2 text on white | 4.13:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #1588A2 text on black | 5.07:1 | AA | Lc -33.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DEE4
oklch(88.6% 0.025 215.9)
-
Step 300
300
#A1C8D4
oklch(80.9% 0.045 218.5)
-
Step 400
400
#6BACBF
oklch(70.8% 0.072 218.4)
-
Step 500
500
#3B97AF
oklch(63.2% 0.092 218.2)
-
Step 600
600 (this color)
#1588A2
oklch(58% 0.1 218.4)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#114957
oklch(37.7% 0.06 218.5)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#1588A2 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) | #7884A3 | 0.085 |
| Deuteranopia (no green cones) | #6677A2 | 0.076 |
| Tritanopia (no blue cones) | #009190 | 0.045 |
| Achromatopsia (no color) | #7D7D7D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1588A2
#1588A2
oklch(58% 0.1 218.4)
- #AD644D
#AD644D
oklch(58% 0.101 38.2)
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 #1588A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.007
- Blue NCS #118AB2 ΔE 0.024
- Dark Cyan #008B8B ΔE 0.041
- Cerulean #457B9D ΔE 0.042
- Teal Green #0A9396 ΔE 0.043
- Ocean #017B92 ΔE 0.043
- Steel Blue #4682B4 ΔE 0.048
- Stormy Blue #507B9C ΔE 0.049
Use #1588A2 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.