#899FDA
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.8% 0.09 268.3), rgb(137, 159, 218).
Aa
Black text reads best on this color (8.03:1).
About this color
#899FDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.090 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.056 away. Black text reads best on it, at 8.03:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.03:1 |
| White text | 2.61:1 |
Values
| HEX | #899FDA |
| RGB | rgb(137, 159, 218) |
| HSL | hsl(224, 52%, 70%) |
| OKLCH | oklch(70.8% 0.09 268.3) |
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 #899FDA | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #899FDA | 8.03:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #899FDA text on white | 2.61:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #899FDA text on black | 8.03:1 | AAA | Lc -51.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E6
oklch(80.9% 0.056 268.2)
-
Step 400
400 (this color)
#899FDA
oklch(70.8% 0.09 268.3)
-
Step 500
500
#6C86CF
oklch(63.1% 0.114 268.2)
-
Step 600
600
#546EBC
oklch(55.5% 0.125 268.3)
-
Step 700
700
#455CA3
oklch(49.2% 0.117 268.4)
-
Step 800
800
#394B84
oklch(42.7% 0.097 268.8)
-
Step 900
900
#313F6A
oklch(37.7% 0.076 268.9)
-
Step 950
950
#1D253E
oklch(27% 0.048 269.5)
#899FDA 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) | #8BA4DD | 0.014 |
| Deuteranopia (no green cones) | #849DD9 | 0.009 |
| Tritanopia (no blue cones) | #70ABB4 | 0.081 |
| Achromatopsia (no color) | #A0A0A0 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FDA
#899FDA
oklch(70.8% 0.09 268.3)
- #B89E5C
#B89E5C
oklch(70.8% 0.091 88.5)
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 #899FDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.063
- Cool Gray #8D99AE ΔE 0.063
- Greyblue #77A1B5 ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.065
- Cool Steel #97A7B3 ΔE 0.070
Use #899FDA 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.