#4487A3
Closest named color: Off Blue (#5684AE). oklch(59.1% 0.08 227.7), rgb(68, 135, 163).
Aa
Black text reads best on this color (5.24:1).
About this color
#4487A3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.080 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.028 away. Black text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #4487A3 |
| RGB | rgb(68, 135, 163) |
| HSL | hsl(198, 41%, 45%) |
| OKLCH | oklch(59.1% 0.08 227.7) |
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 #4487A3 | 4.00:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #4487A3 | 5.24:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #4487A3 text on white | 4.00:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #4487A3 text on black | 5.24:1 | AA | Lc -34.5 | 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
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D3
oklch(80.9% 0.036 226.7)
-
Step 400
400
#7AA8BD
oklch(70.6% 0.058 227.9)
-
Step 500
500
#5693AD
oklch(63.2% 0.074 227.4)
-
Step 600
600 (this color)
#4487A3
oklch(59.1% 0.08 227.7)
-
Step 700
700
#2B6982
oklch(49.2% 0.074 227.8)
-
Step 800
800
#255669
oklch(42.8% 0.061 226.4)
-
Step 900
900
#234756
oklch(37.8% 0.049 227.3)
-
Step 950
950
#152932
oklch(26.8% 0.031 228.6)
#4487A3 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) | #7885A4 | 0.059 |
| Deuteranopia (no green cones) | #6B7BA3 | 0.052 |
| Tritanopia (no blue cones) | #008F90 | 0.054 |
| Achromatopsia (no color) | #7F7F7F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4487A3
#4487A3
oklch(59.1% 0.08 227.7)
- #A56F53
#A56F53
oklch(59.2% 0.08 48.1)
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 #4487A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.029
- Blue NCS #118AB2 ΔE 0.032
- Teal Blue #01889F ΔE 0.032
- Stormy Blue #507B9C ΔE 0.034
- Steel Blue #4682B4 ΔE 0.034
- Cerulean #457B9D ΔE 0.034
- Cool Blue #4984B8 ΔE 0.037
Use #4487A3 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.