#4D8ABD
Closest named color: Cool Blue (#4984B8). oklch(61.4% 0.1 245.7), rgb(77, 138, 189).
Aa
Black text reads best on this color (5.68:1).
About this color
#4D8ABD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.100 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.018 away. Black text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #4D8ABD |
| RGB | rgb(77, 138, 189) |
| HSL | hsl(207, 46%, 52%) |
| OKLCH | oklch(61.4% 0.1 245.7) |
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 #4D8ABD | 3.69:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #4D8ABD | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #4D8ABD text on white | 3.69:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #4D8ABD text on black | 5.68:1 | AA | Lc -37.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A7C5DF
oklch(81% 0.049 244.6)
-
Step 400
400
#77A6CF
oklch(70.7% 0.079 245.5)
-
Step 500
500 (this color)
#4D8ABD
oklch(61.4% 0.1 245.7)
-
Step 600
600
#3479AF
oklch(55.7% 0.109 245.3)
-
Step 700
700
#266596
oklch(49% 0.101 245.6)
-
Step 800
800
#21537A
oklch(42.8% 0.084 245.3)
-
Step 900
900
#214562
oklch(37.8% 0.065 245.1)
-
Step 950
950
#142839
oklch(26.9% 0.041 245.8)
#4D8ABD 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) | #748BBF | 0.044 |
| Deuteranopia (no green cones) | #6580BC | 0.035 |
| Tritanopia (no blue cones) | #00969C | 0.080 |
| Achromatopsia (no color) | #858585 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D8ABD
#4D8ABD
oklch(61.4% 0.1 245.7)
- #AD773E
#AD773E
oklch(61.3% 0.1 65.5)
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 #4D8ABD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.018
- Off Blue #5684AE ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.026
- Steel Blue #4682B4 ΔE 0.026
- Faded Blue #658CBB ΔE 0.027
- Blue NCS #118AB2 ΔE 0.041
- Water Blue #0E87CC ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.057
Use #4D8ABD 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.