#488CC8
Closest named color: Cool Blue (#4984B8). oklch(62.2% 0.114 247.4), rgb(72, 140, 200).
Aa
Black text reads best on this color (5.86:1).
About this color
#488CC8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.114 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.029 away. Black text reads best on it, at 5.86:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #488CC8 |
| RGB | rgb(72, 140, 200) |
| HSL | hsl(208, 54%, 53%) |
| OKLCH | oklch(62.2% 0.114 247.4) |
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 #488CC8 | 3.58:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #488CC8 | 5.86:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #488CC8 text on white | 3.58:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #488CC8 text on black | 5.86:1 | AA | Lc -38.5 | 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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400
#72A6D6
oklch(70.7% 0.09 247.2)
-
Step 500
500 (this color)
#488CC8
oklch(62.2% 0.114 247.4)
-
Step 600
600
#2A78B8
oklch(55.7% 0.124 247.4)
-
Step 700
700
#1B649E
oklch(49% 0.116 247.6)
-
Step 800
800
#1A5280
oklch(42.6% 0.096 247.5)
-
Step 900
900
#1C4467
oklch(37.6% 0.075 247.8)
-
Step 950
950
#12283C
oklch(26.9% 0.047 247.8)
#488CC8 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) | #728ECB | 0.046 |
| Deuteranopia (no green cones) | #6082C7 | 0.034 |
| Tritanopia (no blue cones) | #009AA1 | 0.088 |
| Achromatopsia (no color) | #878787 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488CC8
#488CC8
oklch(62.2% 0.114 247.4)
- #B47830
#B47830
oklch(62.2% 0.114 67.4)
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 #488CC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.029
- Faded Blue #658CBB ΔE 0.034
- Water Blue #0E87CC ΔE 0.037
- Steel Blue #4682B4 ΔE 0.037
- Off Blue #5684AE ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.042
- Blue NCS #118AB2 ΔE 0.049
Use #488CC8 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.