#1189AA
Closest named color: Blue NCS (#118AB2). oklch(58.6% 0.106 223.4), rgb(17, 137, 170).
Aa
Black text reads best on this color (5.18:1).
About this color
#1189AA is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.106 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.012 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #1189AA |
| RGB | rgb(17, 137, 170) |
| HSL | hsl(193, 82%, 37%) |
| OKLCH | oklch(58.6% 0.106 223.4) |
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 #1189AA | 4.05:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #1189AA | 5.18:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #1189AA text on white | 4.05:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #1189AA text on black | 5.18:1 | AA | Lc -34.4 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#69ABC4
oklch(70.6% 0.076 224.2)
-
Step 500
500
#3896B5
oklch(63.1% 0.098 223.6)
-
Step 600
600 (this color)
#1189AA
oklch(58.6% 0.106 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#0F495A
oklch(37.8% 0.063 222.4)
-
Step 950
950
#0C2B35
oklch(27.1% 0.04 222.7)
#1189AA 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) | #7686AC | 0.083 |
| Deuteranopia (no green cones) | #6378AA | 0.073 |
| Tritanopia (no blue cones) | #009394 | 0.052 |
| Achromatopsia (no color) | #7E7E7E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1189AA
#1189AA
oklch(58.6% 0.106 223.4)
- #B06646
#B06646
oklch(58.7% 0.106 43.7)
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 #1189AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.012
- Teal Blue #01889F ΔE 0.018
- Steel Blue #4682B4 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Off Blue #5684AE ΔE 0.047
- Nice Blue #107AB0 ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.050
Use #1189AA 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.