#4981BB
Closest named color: Cool Blue (#4984B8). oklch(59.1% 0.107 250.8), rgb(73, 129, 187).
Aa
Black text reads best on this color (5.14:1).
About this color
#4981BB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.011 away. Black text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #4981BB |
| RGB | rgb(73, 129, 187) |
| HSL | hsl(211, 46%, 51%) |
| OKLCH | oklch(59.1% 0.107 250.8) |
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 #4981BB | 4.08:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #4981BB | 5.14:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #4981BB text on white | 4.08:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #4981BB text on black | 5.14:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#AAC4DF
oklch(81% 0.048 249.4)
-
Step 400
400
#7CA4D0
oklch(70.6% 0.078 251.3)
-
Step 500
500
#5A8DC3
oklch(63% 0.099 250.9)
-
Step 600
600 (this color)
#4981BB
oklch(59.1% 0.107 250.8)
-
Step 700
700
#306397
oklch(49% 0.1 251)
-
Step 800
800
#29517B
oklch(42.7% 0.084 251.4)
-
Step 900
900
#264463
oklch(37.8% 0.064 250.6)
-
Step 950
950
#17283A
oklch(27.1% 0.041 250.8)
#4981BB 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) | #6884BE | 0.037 |
| Deuteranopia (no green cones) | #5979BA | 0.026 |
| Tritanopia (no blue cones) | #008E96 | 0.086 |
| Achromatopsia (no color) | #7E7E7E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4981BB
#4981BB
oklch(59.1% 0.107 250.8)
- #A5712B
#A5712B
oklch(59% 0.107 70.7)
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 #4981BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.011
- Steel Blue #4682B4 ΔE 0.013
- Off Blue #5684AE ΔE 0.027
- Windows Blue #3778BF ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.034
- Water Blue #0E87CC ΔE 0.038
- Blue NCS #118AB2 ΔE 0.044
- Faded Blue #658CBB ΔE 0.046
Use #4981BB 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.