#4E99B8
Closest named color: Faded Blue (#658CBB). oklch(64.7% 0.088 227.4), rgb(78, 153, 184).
Aa
Black text reads best on this color (6.57:1).
About this color
#4E99B8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.088 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.043 away. Black text reads best on it, at 6.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #4E99B8 |
| RGB | rgb(78, 153, 184) |
| HSL | hsl(198, 43%, 51%) |
| OKLCH | oklch(64.7% 0.088 227.4) |
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 #4E99B8 | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #4E99B8 | 6.57:1 | AA | Lc 45.1 | Large or bold text, headings |
| #4E99B8 text on white | 3.19:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #4E99B8 text on black | 6.57:1 | AA | Lc -42.8 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C7D6
oklch(81% 0.042 226.4)
-
Step 400
400
#72AAC2
oklch(70.8% 0.068 226.8)
-
Step 500
500 (this color)
#4E99B8
oklch(64.7% 0.088 227.4)
-
Step 600
600
#257E9F
oklch(55.7% 0.095 227.6)
-
Step 700
700
#156A88
oklch(49.1% 0.089 227.7)
-
Step 800
800
#16576E
oklch(42.8% 0.073 226.5)
-
Step 900
900
#1B4759
oklch(37.6% 0.057 228.1)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#4E99B8 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) | #8996BA | 0.066 |
| Deuteranopia (no green cones) | #798BB8 | 0.057 |
| Tritanopia (no blue cones) | #00A2A3 | 0.058 |
| Achromatopsia (no color) | #909090 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E99B8
#4E99B8
oklch(64.7% 0.088 227.4)
- #BB7E5F
#BB7E5F
oklch(64.8% 0.088 47.6)
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 #4E99B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.051
- Blue Grey #758DA3 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.052
- Off Blue #5684AE ΔE 0.058
- Blue NCS #118AB2 ΔE 0.060
Use #4E99B8 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.