#42869E
Closest named color: Teal Blue (#01889F). oklch(58.6% 0.078 223.7), rgb(66, 134, 158).
Aa
Black text reads best on this color (5.13:1).
About this color
#42869E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.078 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.029 away. Black text reads best on it, at 5.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #42869E |
| RGB | rgb(66, 134, 158) |
| HSL | hsl(196, 41%, 44%) |
| OKLCH | oklch(58.6% 0.078 223.7) |
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 #42869E | 4.08:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #42869E | 5.13:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #42869E text on white | 4.08:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #42869E text on black | 5.13:1 | AA | Lc -33.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D1
oklch(80.9% 0.035 222.7)
-
Step 400
400
#7AA9BB
oklch(70.8% 0.057 223.7)
-
Step 500
500
#5693A9
oklch(63% 0.071 223.3)
-
Step 600
600 (this color)
#42869E
oklch(58.6% 0.078 223.7)
-
Step 700
700
#2A697F
oklch(49% 0.073 224.4)
-
Step 800
800
#255667
oklch(42.7% 0.059 223.7)
-
Step 900
900
#234754
oklch(37.7% 0.047 223.8)
-
Step 950
950
#152A31
oklch(27.1% 0.03 221.5)
#42869E 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) | #78839F | 0.061 |
| Deuteranopia (no green cones) | #6B799E | 0.055 |
| Tritanopia (no blue cones) | #008D8E | 0.048 |
| Achromatopsia (no color) | #7D7D7D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42869E
#42869E
oklch(58.6% 0.078 223.7)
- #A36D56
#A36D56
oklch(58.6% 0.077 43.9)
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 #42869E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.029
- Cerulean #457B9D ΔE 0.032
- Stormy Blue #507B9C ΔE 0.033
- Off Blue #5684AE ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.035
- Blue NCS #118AB2 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.040
- Grey Blue #647D8E ΔE 0.042
Use #42869E 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.