#1691AE
Closest named color: Blue NCS (#118AB2). oklch(60.8% 0.106 219.5), rgb(22, 145, 174).
Aa
Black text reads best on this color (5.69:1).
About this color
#1691AE is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.106 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.024 away. Black text reads best on it, at 5.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #1691AE |
| RGB | rgb(22, 145, 174) |
| HSL | hsl(191, 78%, 38%) |
| OKLCH | oklch(60.8% 0.106 219.5) |
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 #1691AE | 3.68:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #1691AE | 5.69:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #1691AE text on white | 3.68:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #1691AE text on black | 5.69:1 | AA | Lc -37.7 | 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 500.
-
Step 50
50
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF1
oklch(93.5% 0.015 222.7)
-
Step 200
200
#C5DEE6
oklch(88.5% 0.029 219)
-
Step 300
300
#9CC9D8
oklch(80.9% 0.052 220.3)
-
Step 400
400
#60ADC4
oklch(70.7% 0.083 219.4)
-
Step 500
500 (this color)
#1691AE
oklch(60.8% 0.106 219.5)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#062B35
oklch(26.9% 0.044 220.1)
#1691AE 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) | #7F8DB0 | 0.089 |
| Deuteranopia (no green cones) | #6C7FAE | 0.079 |
| Tritanopia (no blue cones) | #009A9A | 0.047 |
| Achromatopsia (no color) | #858585 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1691AE
#1691AE
oklch(60.8% 0.106 219.5)
- #B86B51
#B86B51
oklch(60.8% 0.106 39.3)
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 #1691AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.024
- Teal Blue #01889F ΔE 0.033
- Teal Green #0A9396 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.051
- Steel Blue #4682B4 ΔE 0.051
- Off Blue #5684AE ΔE 0.052
- Dark Cyan #008B8B ΔE 0.055
Use #1691AE 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.